| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | purpose [prep] which the | 43 |
|
| 2 | purpose [prep] which the | 43 |
|
| 3 | purpose for which the | 38 |
|
| 4 | purpose for which the | 38 |
|
| 5 | purpose which the [noun sg] | 6 |
|
| 6 | purpose which the [noun] | 6 |
|
